Isinbayeva and Lavillenie improve their World season leads in Donetsk 12.02.2011 Russia’s Yelena Isinbayeva and Renaud Lavillenie of France were victorious at the 22nd edition of the Samsung Pole Vault Stars meeting in Donetsk, Ukraine (12), improving their 2011 world season leads in the process, respectively 4.85m and 5.93m.